Hi - I think you maybe have an old version - the latest version uses
FMRIB58_FA_1mm - but yes, for the affine, it probably doesn't matter
anyway.
Cheers.
On 5 Dec 2008, at 21:09, Xin Fan wrote:
> Hi, Gwenaelle,
>
> Thanks for your response. But when I looked into the script of
> 'tbss_3_postreg', I found that MNI152_T1_1mm was used as the reference
> templatefor FLIRT. Maybe is it not a big deal to use either T1 or FA
> image for affine registration? Or I'm wrong to understand the script?
>
> Thanks.
>
> Xin
>
> On Fri, Dec 5, 2008 at 9:20 AM, Gwenaëlle DOUAUD
> <[log in to unmask]> wrote:
>> Hi Xin,
>>
>> yes, it is registered with FLIRT (so linearly) to the FMRIB58 FA
>> 1mm template (see http://www.fmrib.ox.ac.uk/fsl/data/
>> FMRIB58_FA.html).
>>
>> Cheers,
>> Gwenaelle
>>
>>
>> --- En date de : Ven 5.12.08, Xin Fan <[log in to unmask]> a
>> écrit :
>>
>>> De: Xin Fan <[log in to unmask]>
>>> Objet: [FSL] A TBSS question
>>> À: [log in to unmask]
>>> Date: Vendredi 5 Décembre 2008, 15h50
>>> Dear FSL experts,
>>>
>>> I have a question on the third step of the TBSS process.
>>> After
>>> choosing the target image by non-linear registration, the
>>> algorithm
>>> 'takes the target image and affine-algns it into MNI152
>>> space'. I
>>> wonder how it determines the affine transformation. Is
>>> there a
>>> standard FA image in the MNI152 space to which the target
>>> FA image is
>>> registered? Or only upsampling is applied to bring the
>>> target
>>> resolution to 1mm by 1mm by 1mm? Thanks.
>>>
>>> Sincerely
>>>
>>> --
>>> Xin Fan, PhD
>>> Web: http://www.vcipl.okstate.edu/~fanxin
>>
>>
>>
>>
>
>
>
> --
> Xin Fan, PhD
> Web: http://www.vcipl.okstate.edu/~fanxin
>
---------------------------------------------------------------------------
Stephen M. Smith, Professor of Biomedical Engineering
Associate Director, Oxford University FMRIB Centre
FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
+44 (0) 1865 222726 (fax 222717)
[log in to unmask] http://www.fmrib.ox.ac.uk/~steve
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